Title (fr)

Publication

Application

Priority

DE 19949667 A 19991014

Abstract (en)

[origin: EP1092732A2] Production of polymers with low polydispersity by anionic polymerization with an initiator and an additive comprises polymerizing an unsaturated carboxylic acid derivative in a solvent at low temperature in the presence of an initiator and, as additive, a lithium 2 omega -(2-pyridyl)-((poly)alkoxy)alkanolate (I). Production of polymers with low polydispersity by anionic polymerization with an initiator and an additive comprises polymerizing an unsaturated carboxylic acid derivative in a solvent at low temperature in the presence of an initiator and, as additive, a lithium 2 omega -(2-pyridyl)-((poly)alkoxy)alkanolate of formula (I); n = 0, 1, 2 or 3; R = hydrogen (H), (m)ethyl, n- or iso-propyl, n-, tert.- or iso-butyl, hexyl or cyclohexyl; Me = lithium (Li). An Independent claim is also included for polymers produced by this process.